NGC 7293: The Helix Nebula
A mere seven hundred light years from Earth, toward the constellationAquarius,a sun-like star is dying.Its last few thousand years have produced theHelixNebula (NGC 7293), a well studied and nearby example of aPlanetaryNebula, typical of this final phase of stellar evolution. A total of 90 hours of exposure time have gone in to creatingthis expansive view of the nebula.
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